Home / 1,866.36-2,575.04-1,203.59

Finding the Fourth Proportional to 1,866.36, 2,575.04 and 1,203.59

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Solution

The fourth proportional to 1,866.36, 2,575.04 and 1,203.59 is: 1,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.36 : 2,575.04 = 1,203.59 : x
  2. Step 2: Convert to fraction form
    1,866.36/2,575.04 = 1,203.59/x
  3. Step 3: Cross multiply
    1,866.36x = 2,575.04 × 1,203.59
  4. Step 4: Simplify right side
    1,866.36x = 3,099,301.84
  5. Step 5: Solve for x
    x = 3,099,301.84/1,866.36
  6. Step 6: Final answer
    x = 1,660.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.